78103025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3162

約数の個数: 48

約数和(自身を含む): 130075008

約数和(自身を除く): 51971983

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1925, 2275, 3121, 3575, 5005, 15605, 21847, 25025, 34331, 40573, 78025, 109235, 171655, 202865, 240317, 284011, 446303, 546175, 858275, 1014325, 1201585, 1420055, 2231515, 3124121, 6007925, 7100275, 11157575, 15620605, 78103025]

約数ペア:

[(1, 78103025), (5, 15620605), (7, 11157575), (11, 7100275), (13, 6007925), (25, 3124121), (35, 2231515), (55, 1420055), (65, 1201585), (77, 1014325), (91, 858275), (143, 546175), (175, 446303), (275, 284011), (325, 240317), (385, 202865), (455, 171655), (715, 109235), (1001, 78025), (1925, 40573), (2275, 34331), (3121, 25025), (3575, 21847), (5005, 15605)]